RAMOS, J. G. P. Sharp total variation results for maximal functions. Annales Fennici Mathematici, [S. l.], v. 44, n. 1, p. 41–64, 2019. DOI: 10.5186/aasfm.2019.4409. Disponível em: https://afm.journal.fi/article/view/135779. Acesso em: 14 apr. 2025.